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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Jonathan Spicer | 1.079 | 1924-1926 | |
| 2 | Jorge Flores | 1.067 | 1970-1986 | |
| 3 | Augusto López | 1.064 | 1934-1948 | |
| 4 | Juan Amaya | 1.052 | 1931-1940 | |
| 5 | Jorge Guzmán# | 1.038 | 1977-1985 | |
| 6 | José Castaneda# | 1.025 | 1981-1990 | |
| 7 | Gianluca Brunelleschi | 1.015 | 1928-1938 | |
| 8 | Meqwran Ademola# | 1.010 | 1975-1991 | |
| 9 | Howard Taber | 1.009 | 1952-1955 | |
| 10 | Travis Parker | 1.005 | 1945-1950 | |
| 11 | Reynaldo Díaz | 1.004 | 1946-1952 | |
| 12 | Ernesto Alba | 1.002 | 1916-1923 | |
| 13 | Marcus Biddle | 0.999 | 1957-1964 | |
| 14 | Manuel Pérez | 0.971 | 1928-1934 | |
| 15 | André Thomas | 0.969 | 1912-1916 | |
| 16 | Charles Welshman | 0.955 | 1965-1971 | |
| 17 | Mikko Niemikorpi | 0.939 | 1942-1950 | |
| 18 | Riley Lawley | 0.855 | 1953-1961 | |
| 19 | Bill Furlong | 0.847 | 1949-1956 |
